#include <stdio.h>
#include <iostream>
#include <map>

struct smoney
{
	int hi;
	int low;
};

int main (int argc, char **argv)
{
	while (true)
	{
		int numacc = 0;
		
		scanf("%d", &numacc);
		if (numacc == 0)
		{
			printf("goodbye\n");
			return 0;
		}
		
		std::map<int, smoney> accounts[10];
		
		for(int i = 0; i < numacc; i++)
		{
			int acc;
			int bank;
			int money;
			
			smoney a;
			
			scanf("%d/%d %d.%d", &acc, &bank, &a.hi, &a.low);
			
			accounts[bank][acc] = a;
		}
		
		while(true)
		{
			char operation[50];
			scanf("%s", operation);
			std::string s(operation);
			
			//printf("%s", operation);
			
			if (s == "end") break;
			
			if (s == "withdraw")
			{
				int acc;
				int bank;
				int hi;
				int low;
				
				scanf("%d/%d %d.%d", &acc, &bank, &hi, &low);
				
				std::map<int, smoney>::iterator iter = accounts[bank].find(acc);
				
				if (iter == accounts[bank].end())
				{
					printf("withdraw %d.%d: no such account\n", hi, low);
				} 
				else 
				{
					if ((accounts[bank][acc].hi > hi) || (accounts[bank][acc].hi == hi && accounts[bank][acc].low >= low))
					{
						printf("withdraw %d.%d: ok\n", hi, low);
						accounts[bank][acc].hi -= hi;
						accounts[bank][acc].low -= low;
						if (accounts[bank][acc].low < 0)
						{
							--accounts[bank][acc].hi;
							accounts[bank][acc].low += 100;
						}
					} 
					else 
					{
						printf("withdraw %d.%d: insufficient funds\n", hi, low);
					}
				}	
			} 
			else if (s == "deposit")
			{
				int acc;
				int bank;
				int hi;
				int low;
				
				scanf("%d/%d %d.%d", &acc, &bank, &hi, &low);
				
				std::map<int, smoney>::iterator iter = accounts[bank].find(acc);
				
				if (iter == accounts[bank].end())
				{
					printf("deposit %d.%d: no such account\n", hi, low);
				} 
				else 
				{
					accounts[bank][acc].hi += hi;
					accounts[bank][acc].low += low;
					
					if (accounts[bank][acc].low >= 100)
					{
						++accounts[bank][acc].hi;
						accounts[bank][acc].low -= 100;
					}
					printf("deposit %d.%d: ok\n", hi, low);
				}					
			}
			else if (s == "create")
			{
				int acc;
				int bank;
				scanf("%d/%d", &acc, &bank);
								
				std::map<int, smoney>::iterator iter = accounts[bank].find(acc);
				
				if (iter == accounts[bank].end())
				{
					// ???
					accounts[bank][acc].hi = 0;
					accounts[bank][acc].low = 0;
					printf("create: ok\n");
				}
				else
				{
					printf("create: already exists\n");
				} 
				
			}
			else if (s == "transfer")
			{
				int acc1;
				int bank1;
				int acc2;
				int bank2;
				int hi;
				int low;
				
				scanf("%d/%d %d/%d %d.%d", &acc1, &bank1, &acc2, &bank2, &hi, &low);
				
				if (acc1 == acc2 && bank1 == bank2)
				{
					printf("transfer %d.%d: same account\n", hi, low);
					continue;
				}
				
				std::map<int, smoney>::iterator iter = accounts[bank1].find(acc1);
				
				if (iter == accounts[bank1].end())
				{
					printf("transfer %d.%d: no such account\n", hi, low);
					continue;
				} 
				
				std::map<int, smoney>::iterator iter2 = accounts[bank2].find(acc2);
				
				if (iter2 == accounts[bank2].end())
				{
					printf("transfer %d.%d: no such account\n", hi, low);
					continue;
				} 
				
				if ((accounts[bank1][acc1].hi > hi) || (accounts[bank1][acc1].hi == hi && accounts[bank1][acc1].low >= low))
				{
					//printf("bank1 %d bank2 %d\n", bank1, bank2);
					if (bank1 != bank2)
					{
						printf("transfer %d.%d: interbank\n", hi, low);
					}
					else 
					{
						printf("transfer %d.%d: ok\n", hi, low);
					}
					accounts[bank1][acc1].hi -= hi;
					accounts[bank1][acc1].low -= low;
					if (accounts[bank1][acc1].low < 0)
					{
						--accounts[bank1][acc1].hi;
						accounts[bank1][acc1].low += 100;
					}
					
					accounts[bank2][acc2].hi += hi;
					accounts[bank2][acc2].low += low;
					
					if (accounts[bank2][acc2].low >= 100)
					{
						++accounts[bank2][acc2].hi;
						accounts[bank2][acc2].low -= 100;
					}
				} 
				else 
				{
					printf("withdraw %d.%d: insufficient funds\n", hi, low);
				}
			}
			
		}
		
		printf("end\n\n");
	}
	return 0;
}